@misc{indiciae6ca51492fba3,
  title = {Black carbon from the Mississippi river: Quantities, sources, and potential implications for the global carbon cycle},
  author = {Siddhartha Mitra and Thomas S. Bianchi and Brent A. McKee and Martha Sutula},
  year = {2002},
  doi = {10.1021/es015834b},
  url = {https://pubs.usgs.gov/publication/70242861},
  note = {Source identifier: 70242861}
}